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The attached photos are both sides of the burned-out circuit board from a K-Line Crusader smoke unit. Also pictured is the entire smoke unit with board removed. Would anyone know where to find the board, with attached resistor and gasket? I would be happy to find the entire smoke unit if it comes with resistor board pre-installed.

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Images (3)
  • k-line smoke unit board (inside)
  • k-line smoke unit board (outside)
  • k-line smoke unit 1
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It appears the resistor was mounted too close to the board. You could probably fix it just by replacing the resistor and gasket. If you get a complete board check to make sure there is some space between the resistor and board. Also lube the piston O ring or better yet replace it. These swell and cause a great deal of resistance and rob your engine of power.

If you have the smoke unit out now, see how many cars you can pull, then check again after you replace the unit.

Pete

Last edited by Norton

John, I managed to fix the smoke unit using parts from Brasseur, so I'm OK for now. (My smoke unit looks like the upper two in your picture, as far as connection to the stack.) The smoke output is anemic, which I think I read is typical of the K-Line units.

I'm more interested in an upgrade to a fan-driven smoke unit, which you mentioned you had done. Do you still do this type of work?

I'd also like to add some type of cruise control for better low-speed performance, if possible.

Last edited by hearncl

In that case, you'll want to grab the Cruise Commander M for steam at 3rd Rail to add cruise.  In order to do fan driven smoke, I use the Super-Chuffer, and to get 4-chuffs/rev, I also use the Chuff-Generator.  I expect to have them back in production later in the summer.  For smoke units, I typically use the MTH smoke unit, though at times one of the Lionel ones is a better fit.

Thanks for the information. I don't think I'm up to doing the electrical connections myself, let alone fitting the new components inside the engine and/or tender. Would you be available to handle a paid upgrade, including obtaining the components? Or, could you recommend an individual or company to do the upgrade? I'm in no hurry and can wait for your boards to be available.

I don't know how to tell if the engine is pre modular.

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